Zip code 51056
Zip code 51056, IA
The zip code 51056, type standard, belongs to Smithland . It is part of the county Woodbury County, state of Iowa. It has an estimated population of 380.
The postal code 51056 has only one denomination. If you are going to use the postal service be sure to use only those denominations marked as official (Smithland).
| Location | Denomination |
|---|---|
| Smithland | Official |